52865000

素因数分解:

$2^3\times 5^4\times {\mathrm{97}}^1\times {\mathrm{109}}^1$

素因数の和:232

約数の個数: 80

約数和(自身を含む): 126287700

約数和(自身を除く): 73422700

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 97, 100, 109, 125, 194, 200, 218, 250, 388, 436, 485, 500, 545, 625, 776, 872, 970, 1000, 1090, 1250, 1940, 2180, 2425, 2500, 2725, 3880, 4360, 4850, 5000, 5450, 9700, 10573, 10900, 12125, 13625, 19400, 21146, 21800, 24250, 27250, 42292, 48500, 52865, 54500, 60625, 68125, 84584, 97000, 105730, 109000, 121250, 136250, 211460, 242500, 264325, 272500, 422920, 485000, 528650, 545000, 1057300, 1321625, 2114600, 2643250, 5286500, 6608125, 10573000, 13216250, 26432500, 52865000]

約数ペア:

[(1, 52865000), (2, 26432500), (4, 13216250), (5, 10573000), (8, 6608125), (10, 5286500), (20, 2643250), (25, 2114600), (40, 1321625), (50, 1057300), (97, 545000), (100, 528650), (109, 485000), (125, 422920), (194, 272500), (200, 264325), (218, 242500), (250, 211460), (388, 136250), (436, 121250), (485, 109000), (500, 105730), (545, 97000), (625, 84584), (776, 68125), (872, 60625), (970, 54500), (1000, 52865), (1090, 48500), (1250, 42292), (1940, 27250), (2180, 24250), (2425, 21800), (2500, 21146), (2725, 19400), (3880, 13625), (4360, 12125), (4850, 10900), (5000, 10573), (5450, 9700)]